Fix for all discovered devices to include a secure port

Fix for all discovered devices to include a secure port

This patch prevent to add the device that does not have a secure port to discovered device list

Change-Id: Ia7283b37b7820e045f4a51ad03395205b4240dd3
Signed-off-by: Joonghwan Lee <jh05.lee@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/13299
Reviewed-by: Chul Lee <chuls.lee@samsung.com>
Reviewed-by: Jihun Ha <jihun.ha@samsung.com>
Reviewed-by: dongik Lee <dongik.lee@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>